Make sleep depending on environment variable.

- set QUICKWIZARD to true to disable sleeps.

esphomeyaml/wizard.py

@@ -70,12 +70,20 @@ logger:
 """
 
 
+if os.environ['QUICKWIZARD']:
+    def sleep(time):
+        pass
+else:
+    from time import sleep
+
+
 def print_step(step, big):
     print()
     print()
     print("============= STEP {} =============".format(step))
     print(big)
     print("===================================")
+    sleep(0.25)
 
 
 def default_input(text, default):
@@ -100,17 +108,23 @@ def wizard(path):
               "or chose another configuration file.".format(color('cyan', path)))
         return 1
     print("Hi there!")
+    sleep(1.5)
     print("I'm the wizard of esphomeyaml :)")
+    sleep(1.25)
     print("And I'm here to help you get started with esphomeyaml.")
+    sleep(2.0)
     print("In 5 steps I'm going to guide you through creating a basic "
           "configuration file for your custom ESP8266/ESP32 firmware. Yay!")
+    sleep(3.0)
     print()
     print_step(1, CORE_BIG)
     print("First up, please choose a " + color('green', 'name') + " for your node.")
     print("It should be a unique name that can be used to identify the device later.")
+    sleep(1)
     print("For example, I like calling the node in my living room {}.".format(
         color('bold_white', "livingroom")))
     print()
+    sleep(1)
     name = raw_input(color("bold_white", "(name): "))
     while True:
         try:
@@ -122,15 +136,18 @@ def wizard(path):
             name = strip_accents(name).replace(' ', '_')
             name = u''.join(c for c in name if c in cv.ALLOWED_NAME_CHARS)
             print("Shall I use \"{}\" as the name instead?".format(color('cyan', name)))
+            sleep(0.5)
             name = default_input("(name [{}]): ", name)
 
     print("Great! Your node is now called \"{}\".".format(color('cyan', name)))
+    sleep(1)
     print_step(2, ESP_BIG)
     print("Now I'd like to know which *board* you're using so that I can compile "
           "firmwares for it.")
     print("Are you using an " + color('green', 'ESP32') + " or " +
           color('green', 'ESP8266') + " based board?")
     while True:
+        sleep(0.5)
         print()
         print("Please enter either ESP32 or ESP8266.")
         platform = raw_input(color("bold_white", "(ESP32/ESP8266): "))
@@ -142,6 +159,7 @@ def wizard(path):
                   "\"{}\". Please try again.".format(platform))
     print("Thanks! You've chosen {} as your platform.".format(color('cyan', platform)))
     print()
+    sleep(1)
 
     if platform == ESP_PLATFORM_ESP32:
         board_link = 'http://docs.platformio.org/en/latest/platforms/espressif32.html#boards'
@@ -149,6 +167,7 @@ def wizard(path):
         board_link = 'http://docs.platformio.org/en/latest/platforms/espressif8266.html#boards'
 
     print("Next, I need to know what " + color('green', 'board') + " you're using.")
+    sleep(0.5)
     print("Please go to {} and choose a board.".format(color('green', board_link)))
     print()
     # Don't sleep because user needs to copy link
@@ -165,18 +184,22 @@ def wizard(path):
         except vol.Invalid:
             print(color('red', "Sorry, I don't think the board \"{}\" exists."))
             print()
+            sleep(0.25)
             print("Possible options are {}".format(', '.join(boards)))
             print()
 
     print("Way to go! You've chosen {} as your board.".format(color('cyan', board)))
     print()
+    sleep(1)
 
     print_step(3, WIFI_BIG)
     print("In this step, I'm going to create the configuration for "
           "WiFi.")
     print()
+    sleep(1)
     print("First, what's the " + color('green', 'SSID') + " (the name) of the WiFi network {} "
                                                           "I should connect to?".format(name))
+    sleep(1.5)
     print("For example \"{}\".".format(color('bold_white', "Abraham Linksys")))
     while True:
         ssid = raw_input(color('bold_white', "(ssid): "))
@@ -187,21 +210,26 @@ def wizard(path):
             print(color('red', "Unfortunately, \"{}\" doesn't seem to be a valid SSID. "
                                "Please try again.".format(ssid)))
             print()
+            sleep(1)
 
     print("Thank you very much! You've just chosen \"{}\" as your SSID.".format(
         color('cyan', ssid)))
     print()
+    sleep(0.75)
 
     print("Now please state the " + color('green', 'password') +
           " of the WiFi network so that I can connect to it.")
     print()
     print("For example \"{}\"".format(color('bold_white', 'PASSWORD42')))
+    sleep(0.5)
     psk = raw_input(color('bold_white', '(PSK): '))
     print("Perfect! WiFi is now set up (you can create static IPs and so on later).")
+    sleep(1.5)
 
     print_step(4, MQTT_BIG)
     print("Almost there! Now let's setup MQTT so that your node can connect to the outside world.")
     print()
+    sleep(1)
     print("Please enter the " + color('green', 'address') + " of your MQTT broker.")
     print()
     print("For example \"{}\".".format(color('bold_white', '192.168.178.84')))
@@ -215,6 +243,7 @@ def wizard(path):
                 broker, err)))
             print("Please try again.")
             print()
+            sleep(1)
 
     print("Thanks! Now enter the " + color('green', 'username') + " and " +
           color('green', 'password') + " for the MQTT broker. Leave empty for no authentication.")
@@ -237,6 +266,7 @@ def wizard(path):
     print("This can be insecure if you do not trust the WiFi network. Do you want to set "
           "an " + color('green', 'OTA password') + " for remote updates?")
     print()
+    sleep(0.25)
     print("Press ENTER for no password")
     ota_password = raw_input(color('bold_white', '(password): '))